1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
|
/*
*
* (C) Copyright 2000-2003
* Wolfgang Denk, DENX Software Engineering, wd@denx.de.
*
* Copyright (C) 2004-2007 Freescale Semiconductor, Inc.
* TsiChung Liew (Tsi-Chung.Liew@freescale.com)
*
* See file CREDITS for list of people who contributed to this
* project.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of
* the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*/
#include <common.h>
#include <watchdog.h>
#include <command.h>
#include <asm/immap.h>
DECLARE_GLOBAL_DATA_PTR;
int do_reset(cmd_tbl_t * cmdtp, bd_t * bd, int flag, int argc, char *argv[])
{
volatile rcm_t *rcm = (rcm_t *) (MMAP_RCM);
udelay(1000);
rcm->rcr |= RCM_RCR_SOFTRST;
/* we don't return! */
return 0;
};
int checkcpu(void)
{
volatile ccm_t *ccm = (ccm_t *) MMAP_CCM;
u16 msk;
u16 id = 0;
u8 ver;
puts("CPU: ");
msk = (ccm->cir >> 6);
ver = (ccm->cir & 0x003f);
switch (msk) {
case 0x6c:
id = 52277;
break;
}
if (id) {
char buf1[32], buf2[32], buf3[32];
printf("Freescale MCF%d (Mask:%01x Version:%x)\n", id, msk,
ver);
printf(" CPU CLK %s MHz BUS CLK %s MHz FLB CLK %s MHz\n",
strmhz(buf1, gd->cpu_clk)),
strmhz(buf2, gd->bus_clk)),
strmhz(buf3, gd->flb_clk)));
printf(" INP CLK %s MHz VCO CLK %s MHz\n",
strmhz(buf1, gd->inp_clk)),
strmhz(buf2, gd->vco_clk)));
}
return 0;
}
|
